<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
</body>
<script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script>
<script>
    $.get("http://www.it.com/order/index",function(data,status){
        alert("Data: " + data );
    });
</script>
</html>